MESON Chess Problem Database

Problem Display
PID: 227866 (8/2p5/2K5/2N5/3k4/P5Q1/8/8 w - - 0 1)

Schonberger, Tibor

Magyar Sakkvilag, 1926

8/2p5/2K5/2N5/3k4/P5Q1/8/8

#2

4 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qd3#
  • Tries
    • 1.Sa4?
      • 1...Kc4
        • 2.Qc3#
      • 1...Ke4!
    • 1.Se4?
      • 1...Kc4
        • 2.Qc3#
      • 1...Kxe4!
    • 1.Qe3+?
      • 1...Kc4
        • 2.Qd3#
      • 1...Kxe3!
    • 1.Qf3?
      • 1...Kc4
        • 2.Qd3#
      • 1...Ke5!
    • 1.Qh3?
      • 1...Kc4
        • 2.Qd3#
      • 1...Ke5!
  • Keys
    • 1.Qe1!
      • 1...Kc4
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAB1(B)
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);P-FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
    • Try
      • Q(B);
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(a);P-FLIGHT::QAR1(B)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).